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Larvicidal activities against aedes aegypti of supernatant and pellet fractions from cultured bacillus spp. Isolated from amazonian microenvironments

dc.contributor.authorKatak, Ricardo M.
dc.contributor.authorRocha, Elerson M.
dc.contributor.authorOliveira, Juan C.
dc.contributor.authorMuniz, Veranilce A.
dc.contributor.authorOliveira, Marta R.
dc.contributor.authorFerreira, Francisco A. S.
dc.contributor.authorSilva, William R.
dc.contributor.authorRoque, Rosemary A.
dc.contributor.authorde Souza, Antonia Q. L.
dc.contributor.authorSouza-Neto, Jayme A. [UNESP]
dc.contributor.authorTerenius, Olle
dc.contributor.authorMarinotti, Osvaldo
dc.contributor.authorTadei, Wanderli P.
dc.contributor.institutionUniversidade Federal do Amazonas—UFAM
dc.contributor.institutionUniversidade do Estado do Amazonas—UEA
dc.contributor.institutionInstituto Nacional de Pesquisas da Amazônia—INPA
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUppsala University
dc.contributor.institutionMTEKPrime
dc.date.accessioned2022-04-28T19:41:21Z
dc.date.available2022-04-28T19:41:21Z
dc.date.issued2021-06-01
dc.description.abstractThe Aedes aegypti mosquito is the primary vector of Dengue, Chikungunya and Zika causing major problems for public health, which requires new strategies for its control, like the use of entomopathogenic microorganisms. In this study, bacteria from various Amazonian environments were isolated and tested for their pathogenicity to A. aegypti larvae. Following thermal shock to select sporulated Bacillus spp., 77 bacterial strains were isolated. Molecular identification per 16S RNA sequences revealed that the assembled strains contained several species of the genus Bacillus and one species each of Brevibacillus, Klebsiella, Serratia, Achromobacter and Brevundimonas. Among the isolated Bacillus sp. strains, 19 showed larvicidal activity against A. aegypti. Two strains of Brevibacillus halotolerans also displayed larvicidal activity. For the first time, larvicidal activity against A. aegypti was identified for a strain of Brevibacillus halotolerans. Supernatant and pellet fractions of bacterial cultures were tested separately for larvicidal activities. Eight strains contained isolated fractions resulting in at least 50% mortality when tested at a concentration of 5 mg/mL. Further studies are needed to characterize the active larvicidal metabolites produced by these microorganisms and define their mechanisms of action.en
dc.description.affiliationPrograma Multi-Institucional de Pós-Graduação em Biotecnologia—PPGBIOTEC Universidade Federal do Amazonas—UFAM
dc.description.affiliationPrograma de Pós-Graduação em Biotecnologia e Recursos Naturais da Amazônia—PPGMBT Universidade do Estado do Amazonas—UEA
dc.description.affiliationPrograma de Pós-Graduação em Biodiversidade e Biotecnologia—PPGBIONORTE Universidade Federal do Amazonas—UFAM
dc.description.affiliationPrograma de Pós-Graduação em Ciências Biológicas (Entomologia)—PPGENT Instituto Nacional de Pesquisas da Amazônia—INPA
dc.description.affiliationLaboratório de Controle Biológico e Biotecnologia da Malária e Dengue—LCBBMD Instituto Nacional de Pesquisas da Amazônia—INPA
dc.description.affiliationFaculdade de Ciências Agrárias—FCA Universidade Federal do Amazonas—UFAM
dc.description.affiliationSchool of Agricultural Sciences Department of Bioprocesses and Biotechnology Central Multi User Laboratory São Paulo State University—UNESP
dc.description.affiliationDepartment of Cell and Molecular Biology Microbiology Uppsala University
dc.description.affiliationMTEKPrime
dc.description.affiliationUnespSchool of Agricultural Sciences Department of Bioprocesses and Biotechnology Central Multi User Laboratory São Paulo State University—UNESP
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2013/11343-6
dc.identifierhttp://dx.doi.org/10.3390/TROPICALMED6020104
dc.identifier.citationTropical Medicine and Infectious Disease, v. 6, n. 2, 2021.
dc.identifier.doi10.3390/TROPICALMED6020104
dc.identifier.issn2414-6366
dc.identifier.scopus2-s2.0-85109336923
dc.identifier.urihttp://hdl.handle.net/11449/221910
dc.language.isoeng
dc.relation.ispartofTropical Medicine and Infectious Disease
dc.sourceScopus
dc.subjectAmazonian microbiota
dc.subjectBacillus
dc.subjectBiological control
dc.subjectBioprospecting
dc.subjectMosquito
dc.titleLarvicidal activities against aedes aegypti of supernatant and pellet fractions from cultured bacillus spp. Isolated from amazonian microenvironmentsen
dc.typeArtigo
dspace.entity.typePublication

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